Coherent's PM-GDF-1550 fibers are optimized for passive laser applications in the 1550 nm wavelength range. Featuring a high-performance core design, these fibers deliver exceptional beam quality and low splice loss. The NuCOAT fluoroacrylate coating enhances environmental durability, ensuring long-term reliability under demanding industrial, medical, and defense conditions.
| Parameter | PM-GDF-1550 |
|---|---|
| Optical Specifications | |
| Operating Wavelength | 1450 - 1600 nm |
| Core NA | 0.12 |
| Mode Field Diameter | 10.5 ± 0.7 μm @ 1550 nm |
| Cutoff | 1440 ± 80 nm |
| Core Attenuation | ≤ 2.0 dB/km @ 1550 nm |
| First Cladding NA | ≥ 0.46 |
| Cladding Attenuation | ≤ 15.0 dB/km @ 1095 nm |
| Birefringence | 2.5 _ 10⁻⁴ |
| Geometrical & Mechanical Specifications | |
| Cladding Diameter | 130.0 ± 1.0 μm |
| Core Diameter | 9 μm |
| Coating Diameter | 245.0 ± 10.0 μm |
| Coating Cencentricity | < 5.0 μm |
| Core Clad Offset | ≤ 0.50 μm |
| Coating Material | NuCOAT fluoroacrylate |
| Prooftest Level | ≥ 100 kpsi (0.7 GN/m²) |